Kilowatt-hours to BTUs (kWh → BTU) — Free Online Converter

kWh → BTU Reference Table

kWh	BTU
0.001 kWh	3.412141633 BTU
0.002 kWh	6.824283266 BTU
0.003 kWh	10.2364249 BTU
0.004 kWh	13.64856653 BTU
0.005 kWh	17.06070817 BTU
0.006 kWh	20.4728498 BTU
0.007 kWh	23.88499143 BTU
0.008 kWh	27.29713307 BTU
0.009 kWh	30.7092747 BTU
0.01 kWh	34.12141633 BTU
0.02 kWh	68.24283266 BTU
0.03 kWh	102.364249 BTU
0.04 kWh	136.4856653 BTU
0.05 kWh	170.6070817 BTU
0.06 kWh	204.728498 BTU
0.07 kWh	238.8499143 BTU
0.08 kWh	272.9713307 BTU
0.09 kWh	307.092747 BTU
0.1 kWh	341.2141633 BTU
0.2 kWh	682.4283266 BTU
0.3 kWh	1023.64249 BTU
0.4 kWh	1364.856653 BTU
0.5 kWh	1706.070817 BTU
0.6 kWh	2047.28498 BTU
0.7 kWh	2388.499143 BTU
0.8 kWh	2729.713307 BTU
0.9 kWh	3070.92747 BTU
1 kWh	3412.141633 BTU
1.5 kWh	5118.21245 BTU
2 kWh	6824.283266 BTU
2.5 kWh	8530.354083 BTU
3 kWh	10236.4249 BTU
3.5 kWh	11942.49572 BTU
4 kWh	13648.56653 BTU
4.5 kWh	15354.63735 BTU
5 kWh	17060.70817 BTU
5.5 kWh	18766.77898 BTU
6 kWh	20472.8498 BTU
6.5 kWh	22178.92062 BTU
7 kWh	23884.99143 BTU
7.5 kWh	25591.06225 BTU
8 kWh	27297.13307 BTU
8.5 kWh	29003.20388 BTU
9 kWh	30709.2747 BTU
9.5 kWh	32415.34551 BTU
10 kWh	34121.41633 BTU
11 kWh	37533.55796 BTU
12 kWh	40945.6996 BTU
13 kWh	44357.84123 BTU
14 kWh	47769.98286 BTU
15 kWh	51182.1245 BTU
16 kWh	54594.26613 BTU
17 kWh	58006.40776 BTU
18 kWh	61418.5494 BTU
19 kWh	64830.69103 BTU
20 kWh	68242.83266 BTU
25 kWh	85303.54083 BTU
30 kWh	102364.249 BTU
35 kWh	119424.9572 BTU
40 kWh	136485.6653 BTU
45 kWh	153546.3735 BTU
50 kWh	170607.0817 BTU
55 kWh	187667.7898 BTU
60 kWh	204728.498 BTU
65 kWh	221789.2062 BTU
70 kWh	238849.9143 BTU
75 kWh	255910.6225 BTU
80 kWh	272971.3307 BTU
85 kWh	290032.0388 BTU
90 kWh	307092.747 BTU
95 kWh	324153.4551 BTU
100 kWh	341214.1633 BTU
120 kWh	409456.996 BTU
125 kWh	426517.7041 BTU
130 kWh	443578.4123 BTU
140 kWh	477699.8286 BTU
150 kWh	511821.245 BTU
160 kWh	545942.6613 BTU
175 kWh	597124.7858 BTU
180 kWh	614185.494 BTU
200 kWh	682428.3266 BTU
225 kWh	767731.8675 BTU
250 kWh	853035.4083 BTU
275 kWh	938338.9491 BTU
300 kWh	1023642.49 BTU
350 kWh	1194249.572 BTU
400 kWh	1364856.653 BTU
450 kWh	1535463.735 BTU
500 kWh	1706070.817 BTU
600 kWh	2047284.98 BTU
700 kWh	2388499.143 BTU
750 kWh	2559106.225 BTU
800 kWh	2729713.307 BTU
900 kWh	3070927.47 BTU
1000 kWh	3412141.633 BTU
1200 kWh	4094569.96 BTU
1250 kWh	4265177.041 BTU
1500 kWh	5118212.45 BTU
1750 kWh	5971247.858 BTU
2000 kWh	6824283.266 BTU
2500 kWh	8530354.083 BTU
3000 kWh	10236424.9 BTU
4000 kWh	13648566.53 BTU
4500 kWh	15354637.35 BTU
5000 kWh	17060708.17 BTU
6000 kWh	20472849.8 BTU
7000 kWh	23884991.43 BTU
7500 kWh	25591062.25 BTU
8000 kWh	27297133.07 BTU
9000 kWh	30709274.7 BTU
10000 kWh	34121416.33 BTU
15000 kWh	51182124.5 BTU
20000 kWh	68242832.66 BTU
25000 kWh	85303540.83 BTU
50000 kWh	170607081.7 BTU
75000 kWh	255910622.5 BTU
100000 kWh	341214163.3 BTU

Values based on NIST SP 811 conversion factors

Why Convert Kilowatt-hours to BTUs?

Converting between kilowatt-hours (kWh) and btus (BTU) is one of the most common energy conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert kWh to BTU saves time and prevents errors.

Energy conversions from kWh to BTU are crucial for dietitians, physicists, and engineers. In nutrition, understanding the link between calories and joules helps individuals manage their diet and energy intake effectively. In the power sector, converting between kilowatt-hours and British Thermal Units (BTU) is necessary for sizing heating and cooling systems for homes and offices. Physicists rely on precise energy unit conversions to calculate work, heat, and thermodynamic processes. Whether tracking fitness goals or analyzing home energy bills, accurate conversion empowers users to make better health and financial decisions.

How to Convert Kilowatt-hours to BTUs

To convert kilowatt-hours to btus, use the following formula:

BTU = kWh × 3412.141633

Example: 1 kWh = 3412.141633 BTU

For example, 5 kWh = 17060.70817 BTU, 10 kWh = 34121.41633 BTU, and 100 kWh = 341214.1633 BTU. For larger values, 1000 kWh = 3412141.633 BTU. Conversely, 1 BTU = 0.0002930710702 kWh. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

Calorie confusion: Food 'Calories' are actually kilocalories (kcal).
Joule scale: 1 kWh is 3.6 million Joules (orders of magnitude difference).
Power vs Energy: mixing up Watts (power) and Watt-hours (energy).

Pro Tips

Food labels: Learn to read kcal; average adult needs ~2000 kcal/day.
Battery capacity: Wh = V * Ah. Useful for comparing different voltage batteries.
Efficiency: Energy cannot be created/destroyed, only converted (with some loss as heat).

What is a Kilowatt-hour?

The kilowatt-hour (kWh) is a unit of energy equal to 3.6 megajoules. It represents the energy consumed by a 1,000-watt appliance running for one hour.

Kilowatt-hours are the standard unit for electricity billing worldwide. It measures residential and industrial electrical energy consumption.

What is a BTU?

British Thermal Unit. Heat to raise 1 lb of water by 1°F.

Standard in the US for HVAC systems.

Frequently Asked Questions

How many btus are in 1 kilowatt-hour?

1 kWh equals 3412.141633 BTU. This is an exact conversion factor defined by NIST.

How do I convert kilowatt-hours to btus?

Multiply the value in kWh by the conversion factor. For example, 10 kWh = 34121.41633 BTU. Use our calculator above for instant results.

Is the kilowatt-hours to btus conversion exact?

Yes, this conversion is mathematically exact based on the international definition of these units (NIST SP 811).

Can I convert kilowatt-hours to btus offline?

Yes! OmniConvert runs entirely in your browser — no internet connection needed after the page loads. Your data never leaves your device, ensuring complete privacy.

What is the difference between kilowatt-hours and btus?

Kilowatt-hours (kWh) and BTUs (BTU) are both units of energy but belong to different measurement systems. 1 kWh = 3412.141633 BTU. Use the converter above to switch between them instantly.

Kilowatt-hours → BTUs